Doubtsies
A friendly sounding yet declarative statement of disbelief towards a comment or statement made by another.
Guy: "My dick is twelve inches long."
You: "Doubtsies."
Dumb friend: "Omg come with me to my uncles funeral it'll be so fun!"
You: "Doubtsies."
You: "Doubtsies."
Dumb friend: "Omg come with me to my uncles funeral it'll be so fun!"
You: "Doubtsies."